This is the April 24, 2017, Full Episode of VICE News Tonight on HBO. VICE News reports on the challenges of getting scientists to run for political office. Plus, a look at the Democratic candidate in Montana's special election--folk singer and cowboy poet Rob Quist. Plus, we tracked down the chemist who created one of the drugs that was used in Arkansas last week to execute death row inmates. We talk to him about what its like to be part of the long line of inventors whose creations are used to kill. Read: "Tens of thousands brave 91-degree heat to protest climate change in D.C." - bit.ly/2oQ6Q08 Subscribe to VICE News here: bit.ly/Subscribe-to-VICE-News Check out VICE News for more: vicenews.com Follow VICE News here: Facebook: www.facebook.com/vicenews Twitter: twitter.com/vicenews Tumblr: vicenews.tumblr.com/ Instagram: instagram.com/vicenews More videos from the VICE network: www.fb.com/vicevideo